/**
* jQuery.query - Query String Modification and Creation for jQuery
* Written in 2007 by Blair Mitchelmore (blair DOT mitchelmore AT gmail DOT com)
* Licensed under the WTFPL (http://sam.zoy.org/wtfpl/).
* Date: 2008/02/08
*
* @author Blair Mitchelmore
* @version 1.2
*
**/
new function(settings)
{
    // Various Settings
    var $separator = settings.separator || '&';
    var $spaces = settings.spaces === false ? false : true;
    var $suffix = settings.suffix === false ? '' : '[]';

    jQuery.query = new function()
    {
        var queryObject = function(a)
        {
            var self = this;
            self.keys = {};

            if (a.queryObject)
            {
                jQuery.each(a.keys, function(key, val)
                {
                    self.destructiveSet(key, val);
                });
            } else
            {
                var q = "" + a;
                q = q.replace(/^\?/, ''); // remove any leading ?
                q = q.replace(/[;&]$/, ''); // remove any trailing & || ;
                if ($spaces) q = q.replace('+', ' '); // replace +'s with spaces

                jQuery.each(q.split(/[&;]/), function()
                {
                    var key = this.split('=')[0];
                    var val = this.split('=')[1];
                    var temp, hashKey = null, type = null;

                    if (/^-?[0-9]+\.[0-9]+$/.test(val)) // simple float regex
                        val = parseFloat(val);
                    else if (/^-?[0-9]+$/.test(val)) // simple int regex
                        val = parseInt(val);

                    if (/\[([^\] ]+)\]$/.test(key)) // hash syntax
                        type = Object, hashkey = key.replace(/^.+\[([^\] ]+)\]$/, "$1"), key = key.replace(/\[([^\] ]+)\]$/, "");
                    else if (/\[\]$/.test(key)) // array syntax
                        type = Array, key = key.replace(/\[\]$/, "");

                    val = val || true;

                    if (!type && self.has(key))
                        type = Array, self.destructiveSet(key, self.has(key, Array) ? self.keys[key] : [self.keys[key]]);

                    if (!type)
                        self.destructiveSet(key, val);
                    else
                        if (type == Object)
                        temp = self.keys[key] || {}, temp[hashkey] = val, self.destructiveSet(key, temp);
                    else if (type == Array)
                        temp = self.keys[key] || [], temp.push(val), self.destructiveSet(key, temp);
                });
            }
            return self;
        };

        queryObject.prototype = {
            queryObject: true,
            has: function(key, type)
            {
                var keys = this.keys;
                return !!type ? keys[key] != undefined && keys[key] !== null && keys[key].constructor == type : keys[key] != undefined && keys[key] !== null;
            },
            get: function(key)
            {
                var value = (key == undefined) ? this.keys : this.keys[key];
                if (value.constructor == Array)
                    return value.slice(0);
                else if (value.constructor == Object)
                    return jQuery.extend({}, value);
                else
                    return value;
            },
            destructiveSet: function(key, val)
            {
                if (val == undefined || val === null)
                    this.destructiveRemove(key);
                else
                    this.keys[key] = val;
                return this;
            },
            set: function(key, val)
            {
                return this.copy().destructiveSet(key, val);
            },
            destructiveRemove: function(key)
            {
                if (typeof this.keys[key] != 'undefined')
                    delete this.keys[key];
                return this;
            },
            remove: function(key)
            {
                return this.copy().destructiveRemove(key);
            },
            destructiveEmpty: function()
            {
                var self = this;
                jQuery.each(self.keys, function(key, value)
                {
                    delete self.keys[key];
                });
                return self;
            },
            copy: function()
            {
                return new queryObject(this);
            },
            empty: function(destructive)
            {
                return this.copy().destructiveEmpty();
            },
            toString: function()
            {
                var i = 0, queryString = [], self = this, addFields = function(o, key, value)
                {
                    o.push(key);
                    if (value !== true)
                    {
                        o.push("=");
                        o.push(encodeURIComponent(value));
                    }
                };
                jQuery.each(this.keys, function(key, value)
                {
                    var o = [];
                    if (value !== false)
                    {
                        if (i++ == 0)
                            o.push("?");
                        if (self.has(key, Object))
                        {
                            var _o = []
                            jQuery.each(value, function(_key, _value)
                            {
                                var __o = [];
                                addFields(__o, key + "[" + _key + "]", _value);
                                _o.push(__o.join(""));
                            });
                            o.push(_o.join($separator));
                        } else if (self.has(key, Array))
                        {
                            var _o = []
                            jQuery.each(value, function(_key, _value)
                            {
                                var __o = [];
                                addFields(__o, key + $suffix, _value);
                                _o.push(__o.join(""));
                            });
                            o.push(_o.join($separator));
                        } else
                        {
                            addFields(o, key, value);
                        }
                    }
                    queryString.push(o.join(""));
                });
                return queryString.join($separator);
            }
        };

        return new queryObject(location.search);
    };
} (jQuery.query || {}); // Pass in jQuery.query as settings object